Change preProcess to preprocess

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1063436 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/java/org/apache/commons/codec/language/ColognePhonetic.java

@@ -298,7 +298,7 @@ public String colognePhonetic(String text) {
             return null;
         }
 
-        text = preProcess(text);
+        text = preprocess(text);
 
         CologneLeftBuffer left = new CologneLeftBuffer(text.length() * 2);
         CologneRightBuffer right = new CologneRightBuffer(text.toCharArray());
@@ -401,7 +401,7 @@ private static boolean arrayContains(char[] arr, char key) {
      * Converts the string to upper case and replaces germanic umlauts, and the
      * “ß”.
      */
-    private String preProcess(String text) {
+    private String preprocess(String text) {
         text = text.toUpperCase(Locale.GERMAN);
 
         char[] chrs = text.toCharArray();